[vox-tech] checking for interactive shell in bash

[Peter Jay Salzman]

begin Ryan <ryan@mother.com> 
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> On Thursday 25 July 2002 12:48 pm, Peter Jay Salzman wrote:
> > i just read that testing the length of $PS1 is a way of checking if
> > we're in an interactive shell (zero length means non-interactive, of
> > course).
> >
> > seems like a pretty humble solution, but it appears to work.  i guess it
> > hinges on you not setting PS1 before testing it, since /etc/profile *is*
> > read by non-interactive shells.  that's a big nota-bene.
> 
> As is ~/.profile and ~/.bash_profile.
> 
> That's actualy where I set my prompt.......
> 
> I'm sure I'm not the only one.
 
i don't think that would be a problem since the global bash startup
files are read before the per-user bash startup files.

at least i'm pretty sure i remember reading that in man bash awhile ago.
:)

pete

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